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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Authentication Plugin: CAS Authentication.
*
* Authentication using CAS (Central Authentication Server).
*
* @package auth_cas
* @copyright 2018 Fabrice Ménard <menard.fabrice@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die;
/**
* Serves the logo file settings.
*
* @param stdClass $course course object
* @param stdClass $cm course module object
* @param stdClass $context context object
* @param string $filearea file area
* @param array $args extra arguments
* @param bool $forcedownload whether or not force download
* @param array $options additional options affecting the file serving
* @return bool false|void
*/
function auth_cas_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = []) {
if ($context->contextlevel != CONTEXT_SYSTEM) {
return false;
}
if ($filearea !== 'logo' ) {
return false;
}
// Extract the filename / filepath from the $args array.
$filename = array_pop($args);
if (!$args) {
$filepath = '/';
} else {
$filepath = '/' . implode('/', $args) . '/';
}
// Retrieve the file from the Files API.
$itemid = 0;
$fs = get_file_storage();
$file = $fs->get_file($context->id, 'auth_cas', $filearea, $itemid, $filepath, $filename);
if (!$file) {
return false; // The file does not exist.
}
send_stored_file($file, null, 0, $forcedownload, $options);
}